flash animation

Epicycles Demo

Demonstrates that the heliocentric and geocentric models are equivalent for predictive purposes when limited to circular orbits. One can watch the same system in motion with different bodies held in fixed position.

Usage Instructions

Running this animation on your computer...

  1. right-click to download pathtracer.swf and pathtracer.html to the same directory
  2. open the html file in a browser to run the animation

Linking to this animation...

  1. copy and paste the code below into your webpage or blog:
    Text Link HTML:
    - or -   
    Image Link HTML:

Putting this animation on your website...

  1. upload pathtracer.swf to the same directory as your webpage
  2. copy and paste the following code into your webpage:
    Embed HTML: